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linux-sunxi: fix compilation issue on gcc-9
Error comes in form of /tmp/ccCGMQmS.s:648: Error: .err encountered Tested on zeus branch of linux-sunxi.
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From 25a7e85eb0d58479f7d8895b1b29a648bd07d60e Mon Sep 17 00:00:00 2001
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From: Andrey Lebedev <andrey@lebedev.lt>
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Date: Mon, 20 Jan 2020 23:19:51 +0200
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Subject: [PATCH 2/2] Fix asm error in put_user under gcc version 8 and above
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Fixes these errors during compilation of linux-sunxi-3.4 kernel:
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/tmp/ccCGMQmS.s:648: Error: .err encountered
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Taken from https://patchwork.kernel.org/patch/10546809/
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---
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arch/arm/include/asm/uaccess.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
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index b04850fd..abfafbbf 100644
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--- a/arch/arm/include/asm/uaccess.h
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+++ b/arch/arm/include/asm/uaccess.h
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@@ -159,7 +159,7 @@ extern int __put_user_8(void *, unsigned long long);
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({ \
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unsigned long __limit = current_thread_info()->addr_limit - 1; \
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const typeof(*(p)) __user *__tmp_p = (p); \
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- register const typeof(*(p)) __r2 asm("r2") = (x); \
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+ register typeof(*(p)) __r2 asm("r2") = (x); \
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register const typeof(*(p)) __user *__p asm("r0") = __tmp_p; \
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register unsigned long __l asm("r1") = __limit; \
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register int __e asm("r0"); \
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--
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2.20.1
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25
recipes-kernel/linux/linux-sunxi/0005-silence-warning.patch
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25
recipes-kernel/linux/linux-sunxi/0005-silence-warning.patch
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From 302604ee4a2011871cb26deaf69d567cf57d0fe3 Mon Sep 17 00:00:00 2001
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From: Andrey Lebedev <andrey@lebedev.lt>
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Date: Mon, 20 Jan 2020 23:20:07 +0200
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Subject: [PATCH 1/2] Silence annoying warning
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---
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include/linux/log2.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/include/linux/log2.h b/include/linux/log2.h
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index fd7ff3d9..14458fdd 100644
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--- a/include/linux/log2.h
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+++ b/include/linux/log2.h
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@@ -18,7 +18,7 @@
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/*
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* deal with unrepresentable constant logarithms
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*/
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-extern __attribute__((const, noreturn))
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+extern __attribute__((const))
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int ____ilog2_NaN(void);
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/*
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--
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2.20.1
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@ -14,9 +14,12 @@ MACHINE_KERNEL_PR_append = "a"
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SRC_URI += "git://github.com/linux-sunxi/linux-sunxi.git;branch=sunxi-3.4;protocol=git \
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SRC_URI += "git://github.com/linux-sunxi/linux-sunxi.git;branch=sunxi-3.4;protocol=git \
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file://0001-compiler-gcc-integrate-the-various-compiler-gcc-345-.patch \
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file://0001-compiler-gcc-integrate-the-various-compiler-gcc-345-.patch \
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file://0002-use-static-inline-in-ARM-ftrace.patch \
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file://0002-use-static-inline-in-ARM-ftrace.patch \
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file://0001-gcc5-fixes.patch \
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file://0003-gcc5-fixes.patch \
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file://0004-arm-put-user-asm-fix.patch \
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file://0005-silence-warning.patch \
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file://defconfig \
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file://defconfig \
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"
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"
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LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
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S = "${WORKDIR}/git"
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S = "${WORKDIR}/git"
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